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ParkerVision Patents

With respect to ParkerVision's product(s) being used, one or more of the following United States patents, and their foreign equivalents, which are owned by ParkerVision may apply.

No.

Title

8271223 Multi-dimensional error definition, error measurement, error analysis, error function generation, error information optimization, and error correction for communications systems
8233858 RF power transmission, modulation, and amplification embodiments, including control circuitry for controlling power amplifier output stages
8233855 Up-conversion based on gated information signal
8229023 Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
8224382 Wireless communications interface
8224281 Down-conversion of an electromagnetic signal with feedback control
8223898 Method and system for down-converting an electromagnetic signal, and transforms for same
8195149 Wireless protocol converter
8190116 Methods and systems for down-converting a signal using a complementary transistor structure
8190108 Method and system for frequency up-conversion
8160534 Applications of universal frequency translation
8160196 Networking methods and systems
8116704 Switching power supply
8077797 Method, system, and apparatus for balanced frequency up-conversion of a baseband signal
8059749 Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
8050353 Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
8036306 Systems and methods of RF power transmission, modulation and amplification, including embodiments for compensating for waveform distortion
8036304 Apparatus and method of differential IQ frequency up-conversion
8031804 Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
8026764 Generation and amplification of substantially constant envelope signals, including switching an output among a plurality of nodes

Other U.S. and foreign patents and pending patent applications may also apply.